{"product_id":"comp-cams-cb-xe268h-10-xtreme-energy-camshaft-for-chevrolet-big-block-engines","title":"COMP Cams CB XE268H-10 Xtreme Energy Camshaft for Chevrolet Big Block Engines","description":"Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power brakes and other vacuum dependent accessories. Xtreme Energy camshafts work great in carbureted applications, but offer the best performance with aftermarket intake manifolds, lower gear ratios, headers and free flowing exhaust.\nGood for street machines, slightly rough idle, stock converter will work but best with 1800+ stall.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams CB XE268H-10 Xtreme Energy camshaft is designed specifically for Chevrolet GEN IV 396-454 big block engines originally equipped with flat tappet camshafts. Featuring a quicker valve opening profile, this camshaft enhances engine responsiveness and provides more area under the lift curve compared to older, slower grind profiles. This results in improved torque and horsepower gains, making it ideal for street machines seeking increased performance without sacrificing driveability or comfort. The Xtreme Energy grind family offers a balanced combination of performance and everyday usability, providing adequate vacuum for power brakes and other vacuum-dependent accessories. It is particularly effective in applications with aftermarket intake manifolds, lower gear ratios, headers, and free-flowing exhaust systems, maximizing power output across the RPM range.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eQuick valve opening: Enhances responsiveness and engine performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncreased lift curve area: Provides higher torque and horsepower gains\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for street machines: Slightly rough idle with compatibility for stock converters (best with 1800+ stall)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for Chevrolet GEN IV big block engines:\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55151631171889,"sku":"4389868","price":322.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/86a899ae5b817f7f660d734299630f5f_0a52219f-a53a-4b91-9e63-8910b58bda8e.jpg?v=1783574797","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-cb-xe268h-10-xtreme-energy-camshaft-for-chevrolet-big-block-engines","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}